搜索结果: 1-13 共查到“医学 accelerometer”相关记录13条 . 查询时间(0.079 秒)
Use of a triaxial accelerometer to validate reported food intakes
elderly underreporting underrecording
2016/6/12
An easy and cheap method for validating reported
energy intake (EI) is needed.
Sedentary Sphere: Wrist-Worn Accelerometer-Brand Independent Posture Classification
GENEACTIV ACTIGRAPH ACTIVPAL SITTING TRIAXIAL
2017/4/13
Introduction: Access to raw acceleration data should facilitate comparisons between accelerometer outputs regardless of monitor brand.
Purpose: To evaluate the accuracy of posture classification usin...
Tri-Axial Accelerometer-Determined Daily Physical Activity and Sedentary Behavior of Suburban Community-Dwelling Older Japanese Adults
Tri-axial accelerometer physical activity sedentary behavior community-based study older adults
2016/1/11
Knowledge regarding accelerometer-derived physical activity (PA) and sedentary behavior (SED) levels is scarce for Japanese older adults. The aims of this study were therefore to 1) describe levels of...
Relationships Between Accelerometer-Assessed Physical Activity and Health in Children: Impact of the Activity-Intensity Classification Method
ActiGraph activity guidelines MVPA thresholds
2015/4/21
It is unknown whether relationships detected between physical activity intensity and health differ according to accelerometer thresholds used [sample-specific thresholds (SSTs), published thresholds (...
Energy Expenditure Prediction Using Raw Accelerometer Data in Simulated Free Living
ACCELEROMETRY MACHINE LEARNING ARTIFICIAL NEURAL NETWORK PHYSICAL ACTIVITY
2017/4/19
Purpose: The purpose of this study was to develop, validate, and compare energy expenditure (EE) prediction models for accelerometers placed on the hip, thigh, and wrists using simple accelerometer fe...
Obtaining Accelerometer Data in a National Cohort of Black and White Adults
PHYSICAL ACTIVITY ADULTS PARTICIPATION LONGITUDINAL STUDIES MEASUREMENT
2017/4/19
Purpose: The objective of this study is to report methodological details and feasibility of conducting an accelerometer ancillary study in a large US cohort being followed for stroke and cognitive dec...
Estimating Physical Activity in Youth Using a Wrist Accelerometer
MOTION SENSOR PHYSICAL ACTIVITY OXYGEN CONSUMPTION ACTIVITY COUNTS VARIABILITY
2017/4/19
Purpose: The purpose of this study was to develop and validate methods for analyzing wrist accelerometer data in youth.
Methods: A total of 181 youth (mean ± SD; age, 12.0 ± 1.5 yr) completed 30 min ...
Comparison of Step Outputs for Waist and Wrist Accelerometer Attachment Sites
WALKING EXERCISE ASSESSMENT SURVEILLANCE MEASUREMENT
2017/4/19
Purpose: The objective of this study is to compare step outputs obtained from waist and wrist accelerometer attachment sites under laboratory and free-living conditions.
Methods: Under the laboratory...
EMG, Heart Rate, and Accelerometer as Estimators of Energy Expenditure in Locomotion
TEXTILE,ELECTRODES EMG,CLOTHING ENERGY,EXPENDITURE PHYSICAL,ACTIVITY INACTIVITY ACCELERATION
2017/5/24
Precise measures of energy expenditure (EE) during everyday activities are needed. This study assessed the validity of novel shorts measuring EMG and compared this method with HR and accelerometry (AC...
Cross-validation of Waist-Worn GENEA Accelerometer Cut-Points
PHYSICAL,ACTIVITY ENERGY,EXPENDITURE ACTIVITY,MONITOR ACCELEROMETRY
2017/5/24
The purpose of this study was to determine the classification accuracy of the waist gravity estimator of normal everyday activity (GENEA) cut-points developed by Esliger et al. for predicting intensit...
Validation of Accelerometer Cut Points in Toddlers with and without Cerebral Palsy
SEDENTARY,BEHAVIOR PHYSICAL,ACTIVITY MOTOR,IMPAIRMENT YOUNG CHILDREN DISABILITY
2017/5/24
The purpose of this study was to validate uni- and triaxial ActiGraph cut points for sedentary time in toddlers with cerebral palsy (CP) and typically developing children (TDC).
A Method to Estimate Free-Living Active and Sedentary Behavior from an Accelerometer
PHYSICALACTIVITYMEASUREMENT FREE-LIVINGVALIDATION ACCELEROMETERS MACHINELEARNING
2017/5/18
Methods to estimate physical activity (PA) and sedentary behavior (SB) from wearable monitors need to be validated in free-living settings.
Comparison of Self-reported versus Accelerometer-Measured Physical Activity
IPAQ ADULTS MET-MINUTES MONITORING NATIONAL SAMPLE PUBLICHEALTH
2017/5/17
The International Physical Activity Questionnaire (IPAQ) is one of the most widely used questionnaires to assess physical activity (PA). Validation studies for the IPAQ have been executed, but still t...